Accuracy of International Classification of Diseases, 9th Revision, Clinical Modification codes for upper gastrointestinal complications varied by position and age: a validation study in a cohort of nonsteroidal anti-inflammatory drugs users in Friu
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| Description | scientific article published on 20 August 2013 |
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author: Valentina Rosolen Federica Pisa Manuela Giangreco Fabio Barbone |
| Publication date | August 20, 2013 |
| Language | English |
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